.An ƙirƙira fitilun hannaye a cikin yanki ɗaya daga ƙarfe na gami
.Manyan sansanoni suna rarraba kaya ba tare da murkushe makaman giciyen itacen lat ba.
.Short fil ɗin da aka yi amfani da shi akan hannun giciye na ƙarfe yayin da dogon fil ɗin shank ɗin da ake amfani da shi akan igiyoyin giciye na itace.
.Dogayen fil ɗin shank ana kawo su tare da mai wanki murabba'i, kwaya murabba'i da maƙallan makulli na MF
.ANSI misali nailan gami ko simintin zaren gubar don nau'in fil ɗin insulators
.Fil mai suffix”Z” wanda aka tanadar da zaren insulator da aka samar daga JEM (Joslyn Engineered Material) nailan gami.